Level: intermediate

We can use a modal verb with have and a past participle:

Subject Modal have Past participle  
They will have arrived by now.
You might have seen the film.
Jack and Jill would have been late.

We use a modal verb with have:

  • to refer back from the present:

It's nearly eight o'clock. They will have arrived by now.

  • to refer back from a point of time in the past:

We were very worried. We thought someone might have taken the car.

  • to refer back from a point of time in the future:

We won't eat until they arrive. They might not have had supper.

  • to refer to past time:

You should have helped her when she asked.
They might have got lost. Nobody knows where they are.

Modal verbs with have 1

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Modal verbs with have 2

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Comments

Hello judeee,

I'm afraid we don't provide answers for tasks from outside of our pages. If we did then we would end up doing our users' homework or tests for them, which is not our role! We're happy to explain the tasks on our own pages, or where possible to explain the rules of the language system, of course, but we don't provide this kind of help.

 

Best wishes,

Peter

The LearnEnglish Team

Hello.
I have the following caluses:
1)she insinuated i shouldn't order for her. but if i wrote it as it follows. (she insinuated i shouldn't have ordered for her. what is the difference?
2) i was worried that something might have happened to them.....o i was worried that something might happen to them, wht is the correct one?.

regards !

Hello rosario,

'shouldn't order' speaks about the present or future, whereas 'shouldn't have ordered' speaks about the past. With the second one, in other words, you already ordered and she isn't happy about it.

In 2, the same thing is true – 'might have happened' refers to the past (though in this case you don't know for usre if it happened or not) and 'might happen' refers to the present or future.

All the best,
Kirk
The LearnEnglish Team

hello sir.

1) you shouldn't have been going so fast.
2) you shouldn't have gone so fast.

what's the difference between above sentences I'm familiar with 2 example but example 1 is a bit confusing.

Hello ahmednagar,

The difference here is one of perspective: how the speaker sees the action. If we say 'gone' then we are treating the action as complete and as a whole. If we say 'going' then we are looking at the action as something that was in progress. We often use the 'going' form when the action was interrupted by something else, but the two sentences are very close in meaning and often both are possible.

You can read more about this kind of distinction on this page dealing with the present perfect simple and continuous.

 

Best wishes,

Peter

The LearnEnglish Team

thank you so much

Hi Sir ;

The below sentence is correct ?.

If we use this method to solve this problem, we should have clear facts.

Can we use "should have" with noun ?.

Here, I put the word "should" to the sentence like "We have a book "
We should have a book.

Hello pumbi,

Yes, that sentence is correct. 'should' is the modal verb (for giving advice) and 'have' (indicating possession) is the infinitive that goes with it. This is different from the modal + have + past participle structure that is explained on this page; in this structure, 'have' is still an infinitive but does not express possession but rather perfective aspect, i.e. the past.

Yes, you can absolutely use a noun after 'should have', just as in your sentences about clear facts and a book, because 'have' can be followed by a noun.

All the best,
Kirk
The LearnEnglish Team

"It is nearly eight o’clock. They will have arrived by now."

It is nearly eight o’clock. They might have arrived by now.

which one correct both this sentence?

Hello taj25,

Both sentences are correct grammatically, though the meaning is different ('might have' shows possibility; 'will have' shows a more certain prediction or expectation).

 

Best wishes,

Peter

The LearnEnglish Team

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